/*      
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  File:       Observer.h
 *  Author:     Richard Zou
 *  Created on: 2015-03-01
 */

#ifndef _OBSERVER_H
#define _OBSERVER_H  

#include "Subject.h"
using namespace std;

class CObserver
{
public:
    virtual ~CObserver();
    virtual void ProcessEvent(CSubject *pSub, int nEvent, void *pParam) = 0;

protected:
    CObserver();
    CSubject    *m_pSubject;
};

#endif